checkstyle.xml

<!DOCTYPE module PUBLIC
		"-//Puppy Crawl//DTD Check Configuration 1.3//EN"
		"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">
    <property name="severity" value="error"/>
    <property name="fileExtensions" value="java, properties, xml, vm, g, g4, dtd"/>
    <module name="UniqueProperties"/>

    <!-- Whitespace -->
    <module name="FileTabCharacter">
        <property name="eachLine" value="false"/>
    </module>

    <module name="TreeWalker">
        <module name="AbstractClassName"/>
        <module name="ClassTypeParameterName"/>
        <module name="ConstantName"/>
        <module name="InterfaceTypeParameterName"/>
        <module name="LocalFinalVariableName"/>
        <module name="MethodName"/>
        <module name="MethodTypeParameterName"/>
        <module name="PackageName"/>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>
        <module name="StringLiteralEquality"/>
        <module name="SuperClone"/>
        <module name="SuperFinalize"/>
        <module name="UnnecessaryParentheses"/>
        <module name="NoClone"/>
        <module name="NoFinalizer"/>
        <module name="OneStatementPerLine"/>
        <module name="OverloadMethodsDeclarationOrder"/>
        <module name="PackageDeclaration"/>
        <module name="ParameterAssignment"/>
        <module name="VariableDeclarationUsageDistance">
            <property name="allowedDistance" value="30"/>
        </module>
        <property name="tabWidth" value="4"/>
	    <module name="LineLength">
		    <property name="max" value="1100"/>
	    </module>
        <module name="LeftCurly"/>
        <module name="NeedBraces">
            <property name="tokens" value="LAMBDA"/>
            <property name="allowSingleLineStatement" value="true"/>
        </module>
        <module name="RightCurly">
            <property name="tokens" value="METHOD_DEF"/>
            <property name="tokens" value="CTOR_DEF"/>
            <property name="tokens" value="CLASS_DEF"/>
            <property name="tokens" value="INSTANCE_INIT"/>
            <property name="tokens" value="LITERAL_FOR"/>
            <property name="tokens" value="STATIC_INIT"/>
            <property name="tokens" value="LITERAL_WHILE"/>
            <property name="tokens" value="LITERAL_CATCH"/>
            <property name="tokens" value="LITERAL_ELSE"/>
            <property name="tokens" value="LITERAL_FINALLY"/>
            <property name="tokens" value="LITERAL_IF"/>
            <property name="tokens" value="LITERAL_TRY"/>
            <property name="option" value="alone"/>
        </module>
        <module name="RightCurly">
            <property name="tokens" value="LITERAL_DO"/>
            <property name="option" value="same"/>
        </module>
        <module name="SeparatorWrap">
            <property name="tokens" value="DOT"/>
            <property name="tokens" value="AT"/>
            <property name="option" value="nl"/>
        </module>
        <module name="SeparatorWrap">
            <property name="tokens" value="COMMA"/>
            <property name="tokens" value="RBRACK"/>
            <property name="tokens" value="ARRAY_DECLARATOR"/>
            <property name="tokens" value="ELLIPSIS"/>
            <property name="tokens" value="SEMI"/>
            <property name="option" value="EOL"/>
        </module>
        <module name="TypecastParenPad"/>
        <module name="WhitespaceAfter"/>
        <module name="WhitespaceAround"/>
	</module>

</module>